<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>购物车案例</title>
</head>

<link rel="stylesheet" href="style.css">

<body>
<div id="app">
    <div v-if="books.length > 0">
        <table>
            <thead>
            <tr>
                <th></th>
                <th>书籍名称</th>
                <th>出版日期</th>
                <th>价格</th>
                <th>购买数量</th>
                <th>操作</th>
            </tr>
            </thead>

            <tbody>
            <tr v-for="(book,index) in books">
                <td>{{book.id}}</td>
                <td>{{book.name}}</td>
                <td>{{book.date}}</td>
                <td>{{book.price | showPrice}}</td>
                <td>
                    <button @click="decrement(index,book.count)" :disabled="isClick(book.count)">-</button>
                    {{book.count}}
                    <button @click="increment(index,book.count)">+</button>
                </td>
                <td>
                    <button @click="removeBooks(index)">移除</button>
                </td>
            </tr>
            </tbody>
        </table>

        <h3>总价格：{{countPrice | showPrice}}</h3>
    </div>
    <div v-else>
        <h2>购物车为空</h2>
    </div>
</div>
</body>

<script src="../js/vue.js"></script>
<script src="main.js"></script>
</html>